recover: recover Malachite v3.0.0

.envrc

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -0,0 +1,9 @@
+# IDE / Dev env
+/.idea
+/.direnv
+
+# Build files
+/target
+
+# Misc
+/example

.gitlab-ci.yml

@@ -0,0 +1,21 @@
+image: "archlinux:base-devel"
+
+cargo:clippy:
+  before_script:
+    - pacman -Syu --noconfirm
+    - pacman -S --noconfirm rustup openssl-1.1
+    - rustup default stable
+    - rustup component add clippy
+    - rustc --version && cargo --version && rustup --version
+  script:
+    - cargo clippy --no-deps -- -D clippy::all
+
+cargo:fmt:
+  before_script:
+    - pacman -Syu --noconfirm
+    - pacman -S --noconfirm rustup openssl-1.1
+    - rustup default stable
+    - rustup component add rustfmt
+    - rustc --version && cargo --version && rustup --version
+  script:
+    - cargo fmt --check