feat: implement comprehensive coding standards for TeachLink project

Author: Kilwizzy

.rustfmt.toml

@@ -0,0 +1,45 @@
+# TeachLink Rust Formatting Configuration
+# This file ensures consistent code formatting across the project
+
+# Basic formatting
+max_width = 100
+hard_tabs = false
+tab_spaces = 4
+
+# Import organization
+reorder_imports = true
+reorder_modules = true
+
+# Function formatting
+fn_args_layout = "Compressed"
+fn_single_line = false
+
+# Struct and enum formatting
+struct_lit_single_line = true
+struct_variant_single_line = true
+
+# Match expressions
+match_arm_blocks = true
+match_arm_leading_pipes = "Never"
+
+# Control flow
+blank_lines_upper_bound = 2
+blank_lines_lower_bound = 0
+
+# Comments
+comment_width = 100
+format_strings = true
+
+# Trailing commas
+trailing_comma = "Vertical"
+trailing_semicolon = true
+
+# Whitespace
+normalize_comments = true
+normalize_doc_attributes = true
+
+# Indentation
+use_small_heuristics = "Max"
+
+# Version
+edition = "2021"