added includeLibraries option which simply copies the contents of the docs folder from all library dependencies

[jurgenvinju]

To include a package into the site the following snippets have to be added all over the pom.xml of rascal-website:

<artifactItem>
                                    <groupId>edu.appstate.cs</groupId>
                                    <artifactId>rascal-git</artifactId>
                                    <version>${rascal-git.version}</version>
                                    <outputDirectory>${project.basedir}</outputDirectory>
                                    <includes>docs/**/*.*</includes>
                                    <excludes>docs/index.value</excludes>
                                </artifactItem>

<dependency>            
            <groupId>edu.appstate.cs</groupId>
            <artifactId>rascal-git</artifactId>
            <version>${rascal-git.version}</version>
        </dependency>

<rascal-git.version>0.1.17</rascal-git.version>

And I'd like to reduce this to:

<dependency>            
            <groupId>edu.appstate.cs</groupId>
            <artifactId>rascal-git</artifactId>
            <version>0.1.17</version>
        </dependency>

By unpacking the dependencies ourselves with the tutor: copy(lib + "docs", bin + "docs", recursive=true) the pom file does not need to configure an unpack stage anymore.

This feature will be enabled using the includeLibraries option of the rascal-maven-plugin for the tutor. It is off by default. The pom of the rascal-website will add it to the <configuration> of the tutor.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46%. Comparing base (c275bc9) to head (2fe3b69).

Additional details and impacted files

@@           Coverage Diff           @@
##              main   #2603   +/-   ##
=======================================
  Coverage       46%     46%           
- Complexity    6651    6652    +1     
=======================================
  Files          793     793           
  Lines        65697   65697           
  Branches      9839    9839           
=======================================
  Hits         30617   30617           
+ Misses       32718   32717    -1     
- Partials      2362    2363    +1     

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