Improve section icons in documentation

Author: JohT

README.md

@@ -14,14 +14,14 @@ The process involves three steps:
 <!-- TOC -->
 
 - [Table of Contents](#table-of-contents)
-- [:arrow_forward: Pipeline for TypeScript Code](#arrow_forward-pipeline-for-typescript-code)
-- [:arrow_forward: Pipeline for Java Artifacts](#arrow_forward-pipeline-for-java-artifacts)
-- [:page_with_curl: CSV Cypher Query Report Reference](#page_with_curl-csv-cypher-query-report-reference)
-- [:page_with_curl: Jupyter Notebook Report Reference](#page_with_curl-jupyter-notebook-report-reference)
-- [:camera: Image Reference](#camera-image-reference)
-- [:arrows_counterclockwise: Keeping the Analysis Workflow Updated with Renovate](#arrows_counterclockwise-keeping-the-analysis-workflow-updated-with-renovate)
+- [:rocket: Pipeline for TypeScript Code](#rocket-pipeline-for-typescript-code)
+- [:coffee: Pipeline for Java Artifacts](#coffee-pipeline-for-java-artifacts)
+- [:bookmark_tabs: CSV Cypher Query Report Reference](#bookmark_tabs-csv-cypher-query-report-reference)
+- [:notebook: Jupyter Notebook Report Reference](#notebook-jupyter-notebook-report-reference)
+- [:framed_picture: Image Reference](#framed_picture-image-reference)
+- [:recycle: Keeping the Analysis Workflow Updated with Renovate](#recycle-keeping-the-analysis-workflow-updated-with-renovate)
 - [:page_facing_up: License](#page_facing_up-license)
-- [:chart: Analysis Results](#chart-analysis-results)
+- [:bar_chart: Analysis Results](#bar_chart-analysis-results)
     - [External Dependencies of Java Packages](#external-dependencies-of-java-packages)
     - [Dependencies Graph of Java Artifacts](#dependencies-graph-of-java-artifacts)
     - [Longest Paths of Java Artifacts](#longest-paths-of-java-artifacts)
@@ -35,7 +35,7 @@ The process involves three steps:
 
 <!-- /TOC -->
 
-## :arrow_forward: Pipeline for TypeScript Code
+## :rocket: Pipeline for TypeScript Code
 
 This example demonstrates how to analyze TypeScript code in a GitHub Workflows pipeline.
 
@@ -54,7 +54,7 @@ This example demonstrates how to analyze TypeScript code in a GitHub Workflows p
 
 3. The third job, [analyze-code-graph](https://github.com/JohT/code-graph-analysis-examples/blob/23143b34d8fc6e0ab7d80102d8de0b6e6a4ec98e/.github/workflows/typescript-code-analysis.yml#L99), demonstrates how to download the analysis results and commit them back to the repository.
 
-## :arrow_forward: Pipeline for Java Artifacts
+## :coffee: Pipeline for Java Artifacts
 
 Java artifacts are analyzed similarly to TypeScript code. The main difference is that Java artifacts are downloaded from a Maven repository instead of being part of the repository.
 
@@ -64,19 +64,19 @@ The first job, [prepare-code-to-analyze](https://github.com/JohT/code-graph-anal
 
 The second and third jobs are the same as for the TypeScript example.
 
-## :page_with_curl: CSV Cypher Query Report Reference
+## :bookmark_tabs: CSV Cypher Query Report Reference
 
 [CSV_REPORTS.md](./analysis-results/CSV_REPORTS.md) lists all CSV Cypher query result reports inside the [results](./results) directory. It can be generated as described in [Generate CSV Report Reference](./COMMANDS.md#generate-csv-cypher-query-report-reference).
 
-## :page_with_curl: Jupyter Notebook Report Reference
+## :notebook: Jupyter Notebook Report Reference
 
 [JUPYTER_REPORTS.md](./analysis-results/JUPYTER_REPORTS.md) lists all Jupyter Notebook reports inside the [results](./results) directory. It can be generated as described in [Generate Jupyter Notebook Report Reference](./COMMANDS.md#generate-jupyter-notebook-report-reference).
 
-## :camera: Image Reference
+## :framed_picture: Image Reference
 
 [IMAGES.md](./analysis-results/IMAGES.md) lists all PNG images inside the [results](./results) directory. It can be generated as described in [Generate Image Reference](./COMMANDS.md#generate-image-reference).
 
-## :arrows_counterclockwise: Keeping the Analysis Workflow Updated with Renovate
+## :recycle: Keeping the Analysis Workflow Updated with Renovate
 
 This repository uses [Renovate](https://docs.renovatebot.com) to automatically update the analysis workflow to the latest version. To enable this, add the following extension to your Renovate configuration:
 
@@ -92,7 +92,7 @@ You can find the complete configuration in the [renovate.json](./renovate.json)
 
 This repository is licensed under the Apache License, Version 2.0. See [LICENSE](./LICENSE) for the full license text.
 
-## :chart: Analysis Results
+## :bar_chart: Analysis Results
 
 Here are ten examples from over a hundred reports generated by the analysis. These examples illustrate the results of analyzing [AxonFramework](https://github.com/AxonFramework/AxonFramework), a Java framework for Evolutionary Message-Driven Microservices on the JVM. For the complete set of reports, visit the [analysis-results](./analysis-results) directory.