diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..de3ce30
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,33 @@
+# Editor configuration, see http://editorconfig.org
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+indent_style = tab
+indent_size = 4
+
+# Ignore diffs/patches
+[*.{diff,patch}]
+end_of_line = unset
+insert_final_newline = unset
+trim_trailing_whitespace = unset
+indent_size = unset
+
+[{.*,secrets}/**]
+end_of_line = unset
+insert_final_newline = unset
+trim_trailing_whitespace = unset
+charset = unset
+indent_style = unset
+indent_size = unset
+
+[*.py]
+indent_size = 4
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false
+
diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..f4a9a94
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,3 @@
+watch_file devShell.nix shell.nix flake.nix
+use flake || use nix
+
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..206de48
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+configure.ac ident
+.git*	export-ignore
+/doc/drafts/draft-*.xml	export-ignore
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000..e69de29
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..65b74e3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,51 @@
+# for Unix/Linux
+*~
+*.o
+*.la
+*.lo
+*.so
+*.a
+
+# for MacOS/X
+*.dylib
+*.dSYM
+.DS_Store
+
+# for Windows
+*.exe
+*.obj
+*.dll
+*.exp
+*.pdb
+lib*.lib
+lib*.dll
+resource.RES
+resource.rc
+*_.RES
+*_.rc
+*0000.bin
+*.ilk
+
+# Nix
+result
+
+# Misc
+*.eml
+*.patch
+*.orig
+*.rej
+*.swp
+
+*.tmp
+.libs
+.links
+.direnv
+
+version.c
+
+Makefile
+/config.status
+/config.log
+/include/stamp-h?
+/libtool
+/stamp-h
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..aa0825f
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,22 @@
+Unlicense:
+
+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or distribute this
+software, either in source code form or as a compiled binary, for any purpose,
+commercial or non-commercial, and by any means.
+
+In jurisdictions that recognize copyright laws, the author or authors of this
+software dedicate any and all copyright interest in the software to the public
+domain. We make this dedication for the benefit of the public at large and to
+the detriment of our heirs and successors. We intend this dedication to be an
+overt act of relinquishment in perpetuity of all present and future rights to
+this software under copyright law.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/devshell.toml b/devshell.toml
new file mode 100644
index 0000000..aac9574
--- /dev/null
+++ b/devshell.toml
@@ -0,0 +1,2 @@
+[devshell]
+packages = [ ] # single-quoted, comma separated list of packages
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..4301e9d
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,26 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1659914493,
+        "narHash": "sha256-lkA5X3VNMKirvA+SUzvEhfA7XquWLci+CGi505YFAIs=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "022caabb5f2265ad4006c1fa5b1ebe69fb0c3faf",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-21.05",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}