adding freecad desktop launcher

README.md

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+## Software
+
+### FreeCAD
+
+FreeCAD stores config in two places on Ubuntu:
+* ~/.config/FreeCAD
+* ~/.local/share/FreeCAD
+
+The desktop launcher expects to find FreeCAD in `/home/user/Documents/Software/freecad/RC1/FreeCAD_RC1.AppImage`
+
+Desktop Launcher
+
+To make the appimage show up and launch from the desktop launcher, a .desktop file needs to be created in the location `~/.local/share/applications`
+
+1. Do a git pull into that folder
+2. Run the python script that updates all the desktop launcher files to use the current logged-in user
+

freecad.desktop

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+[Desktop Entry]
+Version=1.0
+Type=Application
+Name=FreeCAD
+Exec=/home/userhere/Documents/Software/freecad/rc1/FreeCAD_RC1.AppImage
+Icon=/home/userhere/.local/share/applications/freecad.png
+Terminal=false

user_updater.py

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+import os
+import getpass
+
+def replace_word_in_files(target_word, replacement_word, folder_path="."):
+    # Loop through all files in the specified folder
+    for filename in os.listdir(folder_path):
+        if filename.endswith(".desktop"):  # Only process text files
+            file_path = os.path.join(folder_path, filename)
+            with open(file_path, 'r') as file:
+                file_content = file.read()
+
+            # Replace the target word with the replacement word
+            new_content = file_content.replace(target_word, replacement_word)
+
+            # Write the new content back to the file
+            with open(file_path, 'w') as file:
+                file.write(new_content)
+
+            print(f"Replaced '{target_word}' with '{replacement_word}' in {filename}")
+
+if __name__ == "__main__":
+    # Get the current Ubuntu username
+    username = getpass.getuser()
+
+    # Replace 'TARGET_WORD' in all text files with the username
+    target_word = "userhere"
+    
+    replace_word_in_files(target_word, username)
+