Fix some typos

.gitignore

@@ -20,7 +20,7 @@ erl_crash.dump
 *.ez
 
 # Ignore package tarball (built via "mix hex.build").
-case_della_vita_ex-*.tar
+cose_della_vita_ex-*.tar
 
 # Temporary files, for example, from tests.
 /tmp/

README.md

@@ -5,16 +5,16 @@
 ## Installation
 
 If [available in Hex](https://hex.pm/docs/publish), the package can be installed
-by adding `case_della_vita_ex` to your list of dependencies in `mix.exs`:
+by adding `cose_della_vita_ex` to your list of dependencies in `mix.exs`:
 
 ```elixir
 def deps do
   [
-    {:case_della_vita_ex, "~> 0.1.0"}
+    {:cose_della_vita_ex, "~> 0.0.0+development"}
   ]
 end
 ```
 
 Documentation can be generated with [ExDoc](https://github.com/elixir-lang/ex_doc)
 and published on [HexDocs](https://hexdocs.pm). Once published, the docs can
-be found at <https://hexdocs.pm/case_della_vita_ex>.
+be found at <https://hexdocs.pm/cose_della_vita_ex>.

mix.exs

@@ -3,7 +3,7 @@ defmodule CoseDellaVitaEx.MixProject do
 
   def project do
     [
-      app: :case_della_vita_ex,
+      app: :cose_della_vita_ex,
       version: "0.0.0+development",
       elixir: "~> 1.12",
       start_permanent: Mix.env() == :prod,