add manual crud commands.

refactor cli interface.
remove file handler.

.gitignore

@@ -1,10 +1,28 @@
+deploy.sh
+.env
+
 # IntelliJ IDEA
 *.iml
 .idea
 
 # Rust
 /target
+.cargo/
 
 # Project
 ddns_ip
 records.json
+
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+# Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb