fix leiningen typos

Author: puredanger

content/tools/leinigen.adoc renamed to content/tools/leiningen.adoc

@@ -1,13 +1,13 @@
-= Leinigen
+= Leiningen
 Denis Baudinot
 2021-07-11
 :type: tools
 :toc: macro
 :icons: font
 
-https://leiningen.org/[Leinigen] is a build tool for Clojure and ClojureScript with an extensible plugin and template system.
+https://leiningen.org/[Leiningen] is a build tool for Clojure and ClojureScript with an extensible plugin and template system.
 
 [[plugins]]
 == Plugins
 
-https://github.com/emezeske/lein-cljsbuild[lein-cljsbuild] provides ClojureScript compilation and file watching. For a more feature rich experience with browser hot reloading and CSS support head to https://github.com/bhauman/lein-figwheel[lein-figwheel].
+https://github.com/emezeske/lein-cljsbuild[lein-cljsbuild] provides ClojureScript compilation and file watching. For a more feature rich experience with browser hot reloading and CSS support head to https://github.com/bhauman/lein-figwheel[lein-figwheel].