Reorganized the include folder to expose symbols to the dependency above. Using imports in the unit tests.

Author: paulsolt-ofsw

Package.swift

@@ -4,9 +4,10 @@ import PackageDescription
 /// Cocoapods to SPM Conversion Notes
 /// * Using name: `proj-ios` causes issues with resource loading in Objective-C with [SWIFTPM_MODULE_BUNDLE pathForResource:resource ofType:type]; (The `-` become `_`)
 /// * Moved `proj.db` into this package since it gets loaded here for actual usage, not in PROJ (Access to resources is limited in SPM vs cocoapods)
+/// * Reorganized headers into include folder and resources into Resources
 
 let package = Package(
-    name: "projections", // "proj-ios", // Hyphen may cause resource loading failures from SPM package
+    name: "projections",
     platforms: [
         .iOS(.v13), .macOS(.v13)
     ],
@@ -35,21 +36,15 @@ let package = Package(
                 .product(name: "crs-ios", package: "coordinate-reference-systems-ios"),
             ],
             path: "proj-ios",
-           
             exclude: [
             ],
             resources: [
-                .copy("Resources/proj.db"), // 9.4.0 proj.db
+                .copy("Resources/proj.db"),
                 .copy("Resources/projections.ogc.plist"),
                 .copy("Resources/projections.none.plist"),
                 .copy("Resources/projections.epsg.plist")
             ],
-            publicHeadersPath: ".", 
-            cSettings: [
-                .headerSearchPath("../include/proj"),
-            ],
-            linkerSettings: [
-            ]
+            publicHeadersPath: "include/Projections"
         ),
         .testTarget(
             name: "proj-iosTests",
@@ -62,6 +57,9 @@ let package = Package(
             ],
             sources: ["."],
             resources: [
+            ],
+            cSettings: [
+//                .headerSearchPath("../include/proj"),
             ]
         ),
         .testTarget(