docs: add Pezkuwi-SDK documentation

- Technical documentation
- SDK guides
- Architecture overview
- Whitepaper
- Contributor guides

mermaid/IA.mmd

@@ -0,0 +1,12 @@
+flowchart TD
+    dot[pezkuwichain.io] --> devhub[pezkuwi_sdk_docs]
+
+    devhub --> pezkuwi_sdk
+    devhub --> reference_docs
+    devhub --> guides
+	devhub --> external_resources
+
+    pezkuwi_sdk --> substrate
+    pezkuwi_sdk --> frame
+    pezkuwi_sdk --> xcm
+	pezkuwi_sdk --> templates

mermaid/extrinsics.mmd

@@ -0,0 +1,5 @@
+flowchart TD
+    E(Extrinsic) ---> I(Inherent);
+    E --> T(Transaction)
+    T --> ST("Signed (aka. Transaction)")
+    T --> UT(Unsigned)

mermaid/outer_runtime_types.mmd

@@ -0,0 +1,3 @@
+flowchart LR
+    RuntimeCall --"TryInto"--> PalletCall
+    PalletCall --"Into"--> RuntimeCall

mermaid/pezkuwi_sdk_pezkuwi.mmd

@@ -0,0 +1,10 @@
+flowchart LR
+
+	subgraph Pezkuwi[The Pezkuwi Relay Chain]
+		PezkuwiNode[Pezkuwi Node]
+		PezkuwiRuntime[Pezkuwi Runtime]
+	end
+
+    FRAME -.-> PezkuwiRuntime
+    PezkuwiSDK[Pezkuwi SDK Node Libraries] -.-> PezkuwiNode
+

mermaid/pezkuwi_sdk_substrate.mmd

@@ -0,0 +1,8 @@
+flowchart LR
+	subgraph PezkuwiSDKChain[A Pezkuwi SDK-based blockchain]
+		Node
+		Runtime
+	end
+
+    FRAME -.-> Runtime
+    PezkuwiSDK[Pezkuwi SDK Node Libraries] -.-> Node

mermaid/pezkuwi_sdk_teyrchain.mmd

@@ -0,0 +1,11 @@
+flowchart LR
+	subgraph TeyrChain[A Pezkuwi TeyrChain]
+		TeyrChainNode[TeyrChain Node]
+		TeyrChainRuntime[TeyrChain Runtime]
+	end
+
+    FRAME -.-> TeyrChainRuntime
+    PezkuwiSDK[Pezkuwi SDK Node Libraries] -.-> TeyrChainNode
+
+    CumulusC[Cumulus Node Libraries] -.-> TeyrChainNode
+    CumulusR[Cumulus Runtime Libraries] -.-> TeyrChainRuntime

mermaid/state.mmd

@@ -0,0 +1,16 @@
+flowchart TB
+    subgraph Node[Node's View Of The State 🙈]
+        direction LR
+        0x1234 --> 0x2345
+        0x3456 --> 0x4567
+        0x5678 --> 0x6789
+        :code --> code[wasm code]
+    end
+
+    subgraph Runtime[Runtime's View Of The State 🙉]
+        direction LR
+        ab[alice's balance] --> abv[known value]
+        bb[bob's balance] --> bbv[known value]
+        cb[charlie's balance] --> cbv[known value]
+        c2[:code] --> c22[wasm code]
+    end

mermaid/stf.mmd

@@ -0,0 +1,21 @@
+flowchart LR
+    %%{init: {'flowchart' : {'curve' : 'linear'}}}%%
+    subgraph BData[Blockchain Database]
+        direction LR
+        BN[Block N] -.-> BN1[Block N+1]
+    end
+
+    subgraph SData[State Database]
+        direction LR
+        SN[State N] -.-> SN1[State N+1] -.-> SN2[State N+2]
+    end
+
+    BN --> STFN[STF]
+    SN --> STFN[STF]
+    STFN[STF] --> SN1
+
+    BN1 --> STFN1[STF]
+    SN1 --> STFN1[STF]
+    STFN1[STF] --> SN2
+
+

mermaid/stf_simple.mmd

@@ -0,0 +1,4 @@
+flowchart LR
+	B[Block] --> STF
+    S[State] --> STF
+    STF --> NS[New State]

mermaid/substrate_client_runtime.mmd

@@ -0,0 +1,12 @@
+graph TB
+subgraph Substrate
+	direction LR
+	subgraph Node
+	end
+
+	subgraph Runtime
+	end
+
+	Node --runtime-api--> Runtime
+	Runtime --host-functions--> Node
+end

mermaid/substrate_dev.mmd

@@ -0,0 +1,2 @@
+flowchart LR
+	T[Using a Template] --> P[Writing Your Own FRAME-Based Pallet] --> C[Custom Node]

mermaid/substrate_simple.mmd

@@ -0,0 +1,8 @@
+graph TB
+subgraph Substrate
+	direction LR
+	subgraph Node
+	end
+	subgraph Runtime
+	end
+end

mermaid/substrate_with_frame.mmd

@@ -0,0 +1,20 @@
+graph TB
+subgraph Substrate
+	direction LR
+	subgraph Node
+		Database
+		Networking
+		Consensus
+	end
+	subgraph Runtime
+		subgraph FRAME
+			direction LR
+			Governance
+			Currency
+			Staking
+			Identity
+		end
+	end
+	Node --runtime-api--> Runtime
+	Runtime --host-functions--> Node
+end