Added nix-shell support

.envrc

@@ -0,0 +1,3 @@
+if has nix && declare -F use_nix >/dev/null; then
+  use nix
+fi

.gitignore

@@ -6,6 +6,9 @@
 /backup/
 /content/
 
+# Direnv
+.direnv
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[codz]
@@ -148,7 +151,6 @@ celerybeat.pid
 # Environments
 .env
 .env.backup
-.envrc
 .venv
 env/
 venv/

shell.nix

@@ -0,0 +1,10 @@
+with import <nixpkgs> {};
+mkShell {
+  NIX_LD_LIBRARY_PATH = lib.makeLibraryPath [
+    stdenv.cc.cc
+  ];
+  NIX_LD = lib.fileContents "${stdenv.cc}/nix-support/dynamic-linker";
+  shellHook = ''
+    export LD_LIBRARY_PATH=$NIX_LD_LIBRARY_PATH
+  '';
+}