🐛 Add s (self) to instance methods

Author: hacker-DOM

adoc_math/_setup/a_install.py

@@ -2,7 +2,7 @@
 
 
 class Install:
-    def run():
+    def run(s):
         run_cmd(
             cmd=Command("npm i -g mathjax@3"),
         )

adoc_math/_setup/b_link.py

@@ -2,7 +2,7 @@
 
 
 class Link:
-    def run():
+    def run(s):
         run_cmd(cmd=Command("npm link mathjax@3"))