Add simple check for empty values in secrets

install.py

@@ -46,15 +46,19 @@ class Installer:
             with open("secrets", "r") as secrets_file:
                 secrets = [
                     line.strip()
-                    for line in secrets_file.read()
+                    for line in secrets_file.readlines()
                     if not line.startswith("#") and line.strip()
                 ]
         except FileNotFoundError:
             print("No 'secrets' file found. Did you forget to create it?")
             sys.exit(1)
-        else:
-            pass
-            # TODO: check the contents of the file
+        for line in secrets:
+            key, value = line.split("=")
+            value = value.replace("'", "").replace('"', "")
+            if not value:
+                print(line)
+                print(f"  'secrets' file has no value for {key}, please add one.")
+                sys.exit(1)
 
     def define_os(self) -> str:
         """Define what OS we are using."""