Update free-software.md

include source section

Signed-off-by: Ana Jimenez Santamaria <ana@todogroup.org>

Author: anajsana

content/en/free-software.md

@@ -4,4 +4,8 @@ status: Completed
 tags: ["fundamental", "", ""]
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-Free Software refers to freedom, not price. It guarantees its users the essential four freedoms (Use, Study, Share, Improve) The absence of at least one of these freedoms means an application is proprietary, so non‐Free Software. [Learn more](https://fsfe.org/freesoftware/freesoftware.en.html).
+Free Software refers to freedom, not price. It guarantees its users the essential four freedoms (Use, Study, Share, Improve) The absence of at least one of these freedoms means an application is proprietary, so non‐Free Software. [Learn more](https://fsfe.org/freesoftware/freesoftware.en.html).
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+## 💻 Source
+
+* [Free Software Foundation](https://fsfe.org/freesoftware/freesoftware.en.html)