Create schema.md

moved from: https://github.com/lbryio/lbryschema/blob/master/docs/schema.md

content/resources/schema.md

@@ -0,0 +1,130 @@
+## [Claim](https://github.com/lbryio/lbryschema/blob/master/lbryschema/proto/claim.proto)
+Claims have the encompassing schema:
+
+    message Claim {
+        enum Version {
+            UNKNOWN_VERSION = 0;
+            _0_0_1 = 1;
+        }
+        required Version version = 1;
+        enum ClaimType {
+            UNKNOWN_CLAIM_TYPE = 0;
+            streamType = 1;
+            certificateType = 2;
+        }
+        required ClaimType claimType = 2;
+        optional Stream stream = 3;
+        optional Certificate certificate = 4;
+        optional Signature publisherSignature = 5;
+    }
+
+
+
+## [Stream](https://github.com/lbryio/lbryschema/blob/master/lbryschema/proto/stream.proto)
+Claims of streamType have a `stream`:
+
+    message Stream {
+        enum Version {
+            UNKNOWN_VERSION = 0;
+            _0_0_1 = 1;
+        }
+        required Version version = 1;
+        required Metadata metadata = 2;
+        required Source source = 3;
+    }
+
+## [Metadata](https://github.com/lbryio/lbryschema/blob/master/lbryschema/proto/metadata.proto)
+Streams have `metadata` describing their content:
+
+    message Metadata {
+        enum Version {
+            UNKNOWN_VERSION = 0;
+            _0_0_1 = 1;
+            _0_0_2 = 2;
+            _0_0_3 = 3;
+            _0_1_0 = 4;
+        }
+        enum Language {
+            UNKNOWN_LANGUAGE = 0;
+            en = 1;
+        }
+        required Version version = 1;
+        required Language language = 2;
+        required string title = 3;
+        required string description = 4;
+        required string author = 5;
+        required string license = 6;
+        required bool nsfw = 7;
+    
+        optional Fee fee = 8;
+        optional string thumbnail = 9;
+        optional string preview = 10;
+        optional string licenseUrl = 11;
+    }
+
+## [Fee](https://github.com/lbryio/lbryschema/blob/master/lbryschema/proto/fee.proto)
+Metadata may include a fee to access the decryption key:
+
+    message Fee {
+        enum Version {
+            UNKNOWN_VERSION = 0;
+            _0_0_1 = 1;
+        }
+        enum Currency {
+            UNKNOWN_CURRENCY = 0;
+            LBC = 1;
+            BTC = 2;
+            USD = 3;
+        }
+        required Version version = 1;
+        required Currency currency = 2;
+        required bytes address = 3;
+        required float amount = 4;
+    }
+
+## [Source](https://github.com/lbryio/lbryschema/blob/master/lbryschema/proto/source.proto)
+Streams have a `source` to download:
+
+    message Source {
+        enum Version {
+            UNKNOWN_VERSION = 0;
+            _0_0_1 = 1;
+        }
+        required Version version = 1;
+        enum SourceTypes {
+            UNKNOWN_SOURCE_TYPE = 0;
+            lbry_sd_hash = 1;
+        }
+        required SourceTypes sourceType = 2;
+        required bytes source = 3;
+        required string contentType = 4;
+    }
+
+
+
+## [Certificate](https://github.com/lbryio/lbryschema/blob/master/lbryschema/proto/certificate.proto)
+Claims of certificateType have a `certificate`:
+
+    message Certificate {
+        enum Version {
+            UNKNOWN_VERSION = 0;
+            _0_0_1 = 1;
+        }
+        required Version version = 1;
+        required KeyType keyType = 2;
+        required bytes publicKey = 4;
+    }
+
+## [Signature](https://github.com/lbryio/lbryschema/blob/master/lbryschema/proto/signature.proto)
+Claims may be signed using the private key to a Certificate public key:
+
+    message Signature {
+        enum Version {
+            UNKNOWN_VERSION = 0;
+            _0_0_1 = 1;
+        }
+        required Version version = 1;
+        required KeyType signatureType = 2;
+        required bytes signature = 3;
+        required bytes certificateId = 4;
+    }