[V3] add a script for regenerating all strings (#1318)

* [V3] add a script for regenerating all strings

* Edits to the yml files

* Fix up deploy section

* Make generate_strings upload to Crowdin

generate_strings.py

@@ -0,0 +1,33 @@
+import subprocess
+import os
+import sys
+
+
+def main():
+    interpreter = sys.executable
+    print(interpreter)
+    root_dir = os.getcwd()
+    cogs = [i for i in os.listdir("redbot/cogs") if os.path.isdir(os.path.join("redbot/cogs", i))]
+    for d in cogs:
+        if "locales" in os.listdir(os.path.join("redbot/cogs", d)):
+            os.chdir(os.path.join("redbot/cogs", d, "locales"))
+            if "regen_messages.py" not in os.listdir(os.getcwd()):
+                print("Directory 'locales' exists for {} but no 'regen_messages.py' is available!".format(d))
+                exit(1)
+            else:
+                print("Running 'regen_messages.py' for {}".format(d))
+                retval = subprocess.run([interpreter, "regen_messages.py"])
+                if retval.returncode != 0:
+                    exit(1)
+                os.chdir(root_dir)
+    os.chdir("redbot/core/locales")
+    print("Running 'regen_messages.py' for core")
+    retval = subprocess.run([interpreter, "regen_messages.py"])
+    if retval.returncode != 0:
+        exit(1)
+    os.chdir(root_dir)
+    subprocess.run(["crowdin", "upload"])
+
+
+if __name__ == "__main__":
+    main()