Add proselint style.

styles/proselint/LGBTTerms.yml

@@ -0,0 +1,15 @@
+extends: substitution
+message: "Consider using '%s' instead of '%s'."
+ignorecase: true
+action:
+  name: replace
+swap:
+  homosexual man:                            gay man
+  homosexual men:                            gay men
+  homosexual woman:                          lesbian
+  homosexual women:                          lesbians
+  homosexual people:                         gay people
+  homosexual couple:                         gay couple
+  sexual preference:                         sexual orientation
+  (?:admitted homosexual|avowed homosexual): openly gay
+  special rights:                            equal rights