Un-nest the interface to fix the doc rendering

packages/ethereum-types/src/index.ts

@@ -366,11 +366,7 @@ export type ErrorType =
 export type ErrorSeverity = 'error' | 'warning';
 
 export interface SolcError {
-    sourceLocation?: {
-        file: string;
-        start: number;
-        end: number;
-    };
+    sourceLocation?: SourceLocation;
     type: ErrorType;
     component: 'general' | 'ewasm';
     severity: ErrorSeverity;
@@ -378,6 +374,12 @@ export interface SolcError {
     formattedMessage?: string;
 }
 
+export interface SourceLocation {
+    file: string;
+    start: number;
+    end: number;
+}
+
 export interface EvmOutput {
     bytecode: EvmBytecodeOutput;
     deployedBytecode: EvmBytecodeOutput;

packages/sol-compiler/src/index.ts

@@ -25,4 +25,5 @@ export {
     StandardContractOutput,
     StandardOutput,
     StateMutability,
+    SourceLocation,
 } from 'ethereum-types';