feat(lsp): keep track of project file location

Extend the `mabo-project` crate to additional store the location from
wheret the project file was loaded.

This is currently used to log the location in the LPS when loading a
folder and searching for Mabo projects in it.

crates/mabo-lsp/src/handlers/mod.rs

@@ -38,7 +38,11 @@ pub fn initialize(
         .root_uri
         .and_then(|root| mabo_project::discover(root.path()).ok())
     {
-        for path in projects.into_iter().flat_map(|project| project.files) {
+        for path in projects
+            .into_iter()
+            .inspect(|project| debug!(path = as_debug!(project.project_path); "found project"))
+            .flat_map(|project| project.files)
+        {
             let Ok(text) = std::fs::read_to_string(&path) else {
                 error!(path = as_debug!(path); "failed reading file content");
                 continue;

crates/mabo-project/src/lib.rs

@@ -103,6 +103,8 @@ pub struct Package {
 pub struct Project {
     /// Parsed content of the `Mabo.toml` project file.
     pub project_file: ProjectFile,
+    /// Location of the `Mabo.toml` project file.
+    pub project_path: PathBuf,
     /// Resolved final list of files to process.
     pub files: Vec<PathBuf>,
 }
@@ -163,6 +165,7 @@ fn load_project(base: &Path, file: &Path) -> Result<Project> {
 
     Ok(Project {
         project_file,
+        project_path: file.to_owned(),
         files,
     })
 }