add support for project not using pod

ios/RNFIRMessaging.h

 
 #import <UIKit/UIKit.h>
 
-#import <Firebase.h>
+#import "Firebase.h"
 
 #import "RCTBridgeModule.h"
 

ios/RNFIRMessaging.xcodeproj/project.pbxproj

@@ -209,10 +209,14 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_STATIC_ANALYZER_MODE = deep;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(PROJECT_DIR)/../../../ios/**",
+				);
 				GCC_PREPROCESSOR_DEFINITIONS = "$(inherited)";
 				HEADER_SEARCH_PATHS = (
 					"$(SRCROOT)/../../react-native/React/**",
-					"$(SRCROOT)/../../../ios/Pods/**",
+					"$(SRCROOT)/../../../ios/**",
 				);
 				LIBRARY_SEARCH_PATHS = "$(inherited)";
 				OTHER_LDFLAGS = "-ObjC";
@@ -226,9 +230,13 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_STATIC_ANALYZER_MODE = deep;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(PROJECT_DIR)/../../../ios/**",
+				);
 				HEADER_SEARCH_PATHS = (
 					"$(SRCROOT)/../../react-native/React/**",
-					"$(SRCROOT)/../../../ios/Pods/**",
+					"$(SRCROOT)/../../../ios/**",
 				);
 				LIBRARY_SEARCH_PATHS = "$(inherited)";
 				OTHER_LDFLAGS = "-ObjC";

ios/RNFIRMessaging.xcodeproj/xcuserdata/LLu.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -7,7 +7,7 @@
 		<key>RNFIRMessaging.xcscheme</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>20</integer>
+			<integer>7</integer>
 		</dict>
 	</dict>
 	<key>SuppressBuildableAutocreation</key>