34: replace url crate with peg parser based on RFC 3986

- adding path + query + fragment
- test coveragee
- parses query as a vec of string tuple

general cleanup, make DidUrl immutable by removing setter

fix rustdoc

Author: jac18281828

.vscode/launch.json

@@ -0,0 +1,44 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "lldb",
+            "request": "launch",
+            "name": "Debug unit tests in library 'didethresolver'",
+            "cargo": {
+                "args": [
+                    "test",
+                    "--no-run",
+                    "--lib",
+                ],
+                "filter": {
+                    "name": "lib-didethresolver",
+                    "kind": "lib"
+                }
+            },
+            "args": [],
+            "cwd": "${workspaceFolder}"
+        },
+        {
+            "type": "lldb",
+            "request": "launch",
+            "name": "Debug executable 'resolver'",
+            "cargo": {
+                "args": [
+                    "build",
+                    "--bin=resolver",
+                    "--package=resolver"
+                ],
+                "filter": {
+                    "name": "resolver",
+                    "kind": "bin"
+                }
+            },
+            "args": [],
+            "cwd": "${workspaceFolder}"
+        },
+    ]
+}

lib/src/error.rs

@@ -23,8 +23,6 @@ pub enum ResolverError<M: Middleware> {
 pub enum DidError {
     #[error("Parsing of ethr:did failed, {0}")]
     Parse(#[from] peg::error::ParseError<peg::str::LineCol>),
-    #[error(transparent)]
-    Url(#[from] url::ParseError),
 }
 
 /// Errors originating during the construction of a ethr:did document [`EthrBuilder`](crate::types::EthrBuilder)