[Docs] Create product roadmap

ROADMAP.md

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+# Python SDK Roadmap
+
+* **Last Updated:** Mar 21, 2025
+* **Last Updated By:** Michael Turner, Staff Engineer at Provable.
+
+# Overview
+The Provable Python SDK provides python libraries to build applications that interact with the Aleo Network
+or use utilize the cryptographic tools available in `SnarkVM`.
+
+This document provides a public and tentative Roadmap for future changes to the Python SDK. Since this repo is open 
+source, users interested.
+
+# Q2 Roadmap
+
+## April 2025
+
+### General SDK Enhancements
+  * Update & Maintain the SDK to keep current with the latest versions of SnarkVM.
+  * Add support for Mainnet and Testnet.
+  * Build Python SDK packages for all available architectures.
+  * Build extensive tests for all SDK components.
+  * Republish Python SDK package to PyPi.
+
+### Account Management
+  * Add support for signing messages over field elements.
+  * Add the graph key and compute key.
+  * Add the same methods that exist within the JS SDK for account management.
+
+### Serialization
+  * Add support for Aleo data and grammatical types (identifiers, etc.) for the following serialization methods:
+    * to_bytes/from_bytes
+    * to_bits/from_bits
+    * to_fields/from_fields`
+
+### Support for Cryptographic Types and Hash Functions
+* Build support for all supported operations on algebraic types (Field, Scalar, and Group).
+* Build arithmetic operations into python dunder methods where applicable (`__ge__`, `__rmul__`, `__rand__`, etc.).
+* Support for Aleo hash functions.
+* Add support for converting between the `Plaintext` monadic type and Python types.
+* Add support for ciphertext types and mirror the operations available in the JS SDK.
+
+## May 2025 
+
+### Transaction Lifecycle Management
+  * Enhance the `Transaction` class with more helper methods from the `Transaction` struct in SnarkVM to enable inspection
+    of the contents of a transaction.
+  * Enhance the `Transition` class with more helper methods from the `Transition` struct in SnarkVM to enable inspection
+    of the contents of a transaction.
+    * Support for decryption of private inputs within transactions.
+    * Support
+  * Provide a python `REST API` library for interacting with SnarkOS nodes and expanded functionality provided by
+    the `Provable API` in both blocking and async flavors.
+
+### Program Management and Execution
+  * Create `WebVM` class that mirrors the `VM` struct that has the execution methods supported by the `VM` struct. 
+  * Expand `Process` class to support all methods available in the `Process` struct in SnarkVM.
+  * Expose all convenience methods on the `Program` class that the corresponding `Program` struct has in SnarkVM.
+  * Create a `Function` class that mirrors the `FunctionCore` struct in SnarkVM to enable inspection of functions.
+
+## June 2025
+
+### Support Semantics for building function inputs directly in Python
+  * Allow users to create `Plaintext` style objects directly in Python semantics.
+    * Allow python `dictionaries` and `dataclasses` to be converted directly to `Plaintext` structs or `Records`.
+    * Allow python `lists` to be converted directly to `Plaintext` arrays objects.
+  * Support export of existing plaintext literals to Python and Numpy types.
+  * Support explicit conversion between Numpy types and `Literal` types.
+  * Support conversion of floats to fixed-point types for usage in function inputs.
+
+### Expand Proving and Verification Tools
+  * Add support for prove_vk and verify_vk methods.
+  * Add support for downloading and managing parameters manually.
+
+
+